A suspicious package has been found at the NSW premier's office in Sydney's CBD.
NSW Police on Tuesday morning said they were responding to reports of a suspicious package at an office on Martin Place.
AAP understands the office belongs to Premier Gladys Berejiklian.
NSW Fire and Rescue say they have seven crews on the scene to deal with a suspicious "substance", including two hazmat crews wearing protective suits.
They will test the toxicity of the substance and make it safe before handing it to police.